Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William Nicholas, MD

Individual provider Allergy & Immunology Physician · NPI 1326116427

Dr. William Nicholas, MD is an Allergy & Immunology Physician in East Hampton, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

44 Oyster Shores Rd
East Hampton, NY 11937-1179
Phone: (631) 324-8946
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence 078001 (NY)

Record details

NPI number1326116427
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 30, 2006
Last updated in NPPESJuly 8, 2007
Mailing address44 Oyster Shores Rd, East Hampton, NY 11937-1179